Table 4 Bio-concentration factor of OCPs in water-fish (S. clarias)-parasite (W. acuminata) OCP congeners
Classes (ppm) | Congeners | Water (ppm) Mean ± SD | Intestine (ppm) Mean ± SD | Parasite (ppm) Mean ± SD | BAFi/w | BAFp/i |
|---|---|---|---|---|---|---|
Lindane | α-BHC | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 | 0.000 |
β-BHC | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 | 0.000 | |
γ-BHC | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 | 0.000 | |
d-BHC | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 | 0.000 | |
DDT | 4,4-DDE | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 | 0.000 |
4,4-DDT | 5.761 ± 0.38 | 0.411 ± 0.02 | 0.793* ± 0.01 | 0.071 | 1.929 | |
Cyclodiene | Endosulfan 1 | 0.041* ± 0.00 | 0.000 ± 0.00 | 0.041* ± 0.00 | 0.000 | 1.000 |
Aldrin | 0.059** ± 0.00 | 0.001 ± 0.00 | 0.008* ± 0.00 | 0.017 | 8.000 | |
Dieldrin | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 | 0.000 | |
Endrin | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 | 0.000 | |
Heptachlor | 0.030 ± 0.00 | 0.025 ± 0.00 | 0.026 ± 0.00 | 0.833 | 1.040 | |
Heptachlor–Epoxide | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 | 0.000 | |
Total OCP | 5.89 ± 0.38 | 0.437 ± 0.02 | 0.868 ± 0.01 | – | – | |